namespace stream_config
{
    // N of IO threads to receive data from modules.
    const int STREAM_ZMQ_IO_THREADS = 4;
    // How long should the RECV queue be.
    const size_t STREAM_RCVHWM = 100;
    // Size of buffer between the receiving and sending part.
    const int STREAM_FASTQUEUE_SLOTS = 5;
}